High severity7.5NVD Advisory· Published Oct 27, 2026· Updated Oct 27, 2026

CVE-2026-117540

Description

svg-sanitizer from 0.5.3 before 1.1.0 contains a denial of service vulnerability in Sanitizer::sanitize() that repeatedly rescans the whole input while stripping PHP tags. Unauthenticated attackers can upload SVGs with many overlapping PHP tag openers and closers, forcing quadratic preg_replace passes that exhaust worker CPU for minutes.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Dar/Svg Sanitizerllm-create
Range: <1.1.0, >=0.5.3

Patches

Vulnerability mechanics

References

github.com/darylldoyle/svg-sanitizer/commit/9ba9001493f5da737759303f13bd965ebdaa778cnvd
github.com/darylldoyle/svg-sanitizer/security/advisories/GHSA-2v7c-jx29-jprpnvd
www.vulncheck.com/advisories/svg-sanitizer-before-1.1.0-quadratic-cpu-exhaustion-dos-via-php-tag-stripping-loopnvd

News mentions

No linked articles in our index yet.

cvss	0.488
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000